package edu.cuit.project.dao;

import java.util.Date;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;

import edu.cuit.project.domain.Evaluate;
import static org.hibernate.criterion.Example.create;

/**
 * A data access object (DAO) providing persistence and search support for
 * Evaluate entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see edu.cuit.project.domain.Evaluate
 * @author MyEclipse Persistence Tools
 */

public class EvaluateDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(EvaluateDAO.class);
	// property constants
	public static final String CONTENT = "content";
	public static final String LEVEL = "level";

	public void save(Evaluate transientInstance) {
		log.debug("saving Evaluate instance");
		try {getSession().beginTransaction();
		getSession().clear();
			getSession().save(transientInstance);
			getSession().beginTransaction().commit();
			getSession().flush();
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Evaluate persistentInstance) {
		log.debug("deleting Evaluate instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Evaluate findById(java.lang.String id) {
		log.debug("getting Evaluate instance with id: " + id);
		try {
			Evaluate instance = (Evaluate) getSession().get(
					"edu.cuit.project.domain.Evaluate", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List<Evaluate> findByExample(Evaluate instance) {
		log.debug("finding Evaluate instance by example");
		try {
			List<Evaluate> results = (List<Evaluate>) getSession()
					.createCriteria("edu.cuit.project.domain.Evaluate")
					.add(create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Evaluate instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Evaluate as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Evaluate> findByContent(Object content) {
		return findByProperty(CONTENT, content);
	}

	public List<Evaluate> findByLevel(Object level) {
		return findByProperty(LEVEL, level);
	}

	public List findAll() {
		log.debug("finding all Evaluate instances");
		try {
			String queryString = "from Evaluate";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Evaluate merge(Evaluate detachedInstance) {
		log.debug("merging Evaluate instance");
		try {
			getSession().clear();
			
			Evaluate result = (Evaluate) getSession().merge(detachedInstance);
			
			getSession().beginTransaction().commit();
			getSession().flush();
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Evaluate instance) {
		log.debug("attaching dirty Evaluate instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Evaluate instance) {
		log.debug("attaching clean Evaluate instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}